Summary of the key concepts in the topic Mechanics including Moments, Newton's laws, Free Fall experiment and etc. The notes were based on specification and have thorough descriptions with images and definitions as well as past paper questions with model answers.
Forces
forces
three
coplanar if the
body is in
equilibrium
act in
d
F3
one
plane Fn-closed loop
Fl
NisoiDON
Horizontal
sociate
comp: cosinuso
Vertical:70c0s45°
Direction resultantfori t
angle
and of
10 Sin
40s:n45 450
O-tan-1) 0.130190-0.13-31.90)
=
0.90
=>
below the horizontal
Conditions be
equilibrium:
·
to in
1. Resultantforce is zero
2. Sum of clockwise moments
the of anticlockwise
equal to sum
moments around
any point.
, Shine
1. a
lightsource onto the
strings shadow the
Use the to
2.
paper
on
draw lines that the
represent string.
3. Take into account parallaxerror
↳ shifti n an
object's position
as is
it
viewed
from different
angles
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